Apple Adds Single Domain X.400 Product to OSI Product Line

CUPERTINO, California--October 28, 1992--Apple Computer, Inc. today
announced MacX.400 SD (Single Domain), an affordable X.400 server for
communication among proprietary electronic mail systems that adds to its
Open Systems Interconnect (OSI) product line unveiled earlier this year.
The new offering turns the Macintosh personal computer into an X.400
server that brings a standards-based, easy-to-use and versatile e-mail
system to small and medium-sized businesses.

At Interop Spring '92, Apple announced three new OSI products: The first
ever X.400 server for the Macintosh computer (MacX.400); a software
translator that implements the Open Document Architecture (MacODA); and a
transport platform for OSI environments (OSI Connection for
Macintosh--formerly called MacOSI Transport). Apple has also been shipping
MacX25, Apple's implementation of the X.25 standard for connecting
Macintosh computers to packet-switched networks, since June 1990.

MacX.400 SD is optimized for smaller businesses, bureau offices or
workgroups that need to communicate with only one X.400 server. Otherwise,
MacX.400 SD offers all of the communication capabilities of the MacX.400
product.

The MacX.400 products enable Macintosh users to send electronic mail
(e-mail) to recipients on other platforms connected to X.400 networks.
Used together with an e-mail gateway, either server can distribute X.400
services to mail users over an AppleTalk network or other networks. That
type of configuration allows the exchange of e-mail among recipients
within a country or worldwide. MacX.400 SD can also be used inside large
companies to connect Macintosh workgroups to other platforms through the
corporate X.400 backbone.

Both the single-domain and multiple-domain products support the 1984 X.400
standard, including the P1 and P2 messaging protocols. They each come with
a full OSI stack, which allows users to connect to local and wide area
networks. MacX.400 and MacX.400 SD support the ISO Transport Class 4
protocol stack for communication over IEEE 802.3 Ethernet and both enable
the exchange of e-mail with remote sites over X.25 networks (when used in
conjunction with Apple's MacX25).

MacX.400 SD, like MacX.400, is open to developers. The MacX.400 API is
easy-to-use software that allows programmers to implement X.400 gateways
for existing e-mail systems and create X.400 user agents for the Macintosh
computer. MacX.400 API is the same for MacX.400 and MacX.400 SD servers.

Gateways between MacX.400 and popular e-mail systems are available from
Third Party developers, including InterCon Systems Corporation and
StarNine Technologies, Inc.

"Since we introduced Dispatcher/X.400 for QuickMail to run with Retix
OpenServer last spring, we have received an enthusiastic response from
QuickMail users," said Kurt Baumann, president of InterCon Systems Corp.
"QuickMail is the most popular e-mail package among Macintosh users, and
with the introduction of MacX.400 SD, it will be even easier for smaller,
single-domain e-mail sites to add enterprise-mail support with our newest
e-mail product, Dispatcher/MacX.400 for QuickMail."

"StarNine is proud to add MacX.400 connectivity to both QuickMail and
Microsoft Mail for AppleTalk Networks," said Phil Chang, director of
marketing for StarNine Technologies. "Not only are these gateways natural
extensions to our family of Macintosh computer-based e-mail products, but
together with Apple's X.400 MTA they usher in an era of communication with
a broad international and institutional community. Over the past four
years, StarNine has witnessed and facilitated the increasing reach of
e-mail from the friendly Macintosh computer desktop--and familiar mail
interfaces--to the world at large."

Price and Availability

The MacX.400 SD server will be available this month for a manufacturer's
suggested retail price (MSRP) of US$3,000 in the United States. The
MacX.400 server will also be available this month in the United States for
a MSRP of US$5,000. Apple's products are sold in the United States through
Apple authorized resellers and through Apple Direct at 1-800-795-1000.

The MacX.400 Developer's kit, which includes the MacX.400 SD server and the
MacX.400 API, will be available from APDA, Apple's source for developer
tools, next month for a MSRP of US$3,200.

For information, call APDA at 1-800-282-2732 (US), 1-800-637-0029 (Canada)
or (716) 871-6555 (International).

Apple Computer Inc, 20525 Mariana Ave, Cupertino, CA 95014
408-996-1010

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